Linux Kernel up to 6.4.10 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel up to 6.4.10 and classified as critical. This affects an unknown function. The manipulation leads to denial of service. This vulnerability is traded as CVE-2023-53488. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.4.10. It has been rated as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix possible panic during hotplug remove During hotplug remove it is possible that the update counters work might be pending, and may run after memory has been freed. Cancel the update counters work before freeing memory.

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2023-53488 since 10/01/2025. The exploitation is known to be difficult. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 302727 (EulerOS 2.0 SP11 : kernel (EulerOS-SA-2026-1582)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.323, 4.19.292, 5.4.254, 5.10.191, 5.15.127, 6.1.46 or 6.4.11 eliminates this vulnerability. Applying the patch 5e72f33ddfdb69cb21c1b59d31bbd3498d31b14a/bfd727ad8411995218f336ead9f2becfde7f3a89/c2145b18740c7e697748e4005ce93a5c683c86a8/33c677d1e087e437c7dcaad8d73402cf6add282e/918c1e6843b7e81d0e5cf7994f41f28dc34c98b0/ac6640f4193d0f5b44269a7f08372909f9a18e5c/d32a5e9b825d40c08a43dfbcba007159fed41a5d/4fdfaef71fced490835145631a795497646f4555 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (302727), EUVD (EUVD-2025-32779) and CERT Bund (WID-SEC-2025-2187). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • Open Source Linux Kernel
  • Dell Secure Connect Gateway

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 302727
Nessus Name: EulerOS 2.0 SP11 : kernel (EulerOS-SA-2026-1582)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.323/4.19.292/5.4.254/5.10.191/5.15.127/6.1.46/6.4.11
Patch: 5e72f33ddfdb69cb21c1b59d31bbd3498d31b14a/bfd727ad8411995218f336ead9f2becfde7f3a89/c2145b18740c7e697748e4005ce93a5c683c86a8/33c677d1e087e437c7dcaad8d73402cf6add282e/918c1e6843b7e81d0e5cf7994f41f28dc34c98b0/ac6640f4193d0f5b44269a7f08372909f9a18e5c/d32a5e9b825d40c08a43dfbcba007159fed41a5d/4fdfaef71fced490835145631a795497646f4555

Timelineinfo

10/01/2025 Advisory disclosed
10/01/2025 +0 days CVE reserved
10/01/2025 +0 days VulDB entry created
03/17/2026 +167 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53488 (🔒)
GCVE (CVE): GCVE-0-2023-53488
GCVE (VulDB): GCVE-100-326609
EUVD: 🔒
CERT Bund: WID-SEC-2025-2187 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 10/01/2025 15:19
Updated: 03/17/2026 17:33
Changes: 10/01/2025 15:19 (57), 11/28/2025 22:06 (7), 01/22/2026 01:19 (11), 01/22/2026 09:11 (1), 03/17/2026 17:33 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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